Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 01/2010 - 06/2010 |  | Blackburn Rovers |  England | Midfield | 20 |
| 07/2007 - 01/2010 |  | VfB Stuttgart |  Germany | Midfield | 10 |
| 07/2004 - 06/2007 |  | Hertha BSC | Germany | Midfield | 7 |
| 07/2001 - 06/2004 |  | Bayer Leverkusen | Germany | Midfield | 10 |
| 07/1999 - 06/2001 |  | VfL Bochum | Germany | Midfield | 10 |
| 07/1997 - 06/1999 | | VfL Bochum | Germany | Midfield | 12 |
| 07/1996 - 06/1997 |  | SG Wattenscheid 09 | Germany | Midfield | |
| 07/1995 - 06/1996 |  | SG Wattenscheid 09 U19 | Germany | Midfield |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 32 | 27 | 5 | 12 | 2.415 | 1 | - | 7 | 5 | - | - | » All matches |
| Champions League Qual. | 2 | 2 | - | - | 180 | - | - | - | 1 | - | - | » All matches |
| Europa League | 9 | 7 | 2 | 2 | 606 | - | - | - | 3 | - | - | » All matches |
| Europa League Qual. | 4 | 4 | - | 1 | 351 | - | - | - | - | - | - | » All matches |
| UI-Cup | 4 | 4 | - | 3 | 320 | 1 | - | - | - | - | - | » All matches |
| Bundesliga | 249 | 202 | 47 | 74 | 17.854 | 32 | - | 34 | 45 | 2 | 2 | » All matches |
| 2. Bundesliga | 30 | 30 | - | 10 | 2.476 | 7 | - | 1 | 7 | - | - | » All matches |
| DFB-Pokal | 28 | 23 | 5 | 8 | 2.277 | 9 | 1 | 2 | 8 | - | - | » All matches |
| League Cup | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
| Premier League | 1 | 1 | - | 1 | 46 | - | - | - | - | - | - | » All matches |
| Total | 361 | 302 | 59 | 111 | 26.705 | 50 | 1 | 44 | 69 | 2 | 2 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | World Cup | 7 | 7 | - | 6 | 599 | - | - | 1 | - | - | - | » All matches |
| WC Qualifiers Europe | 11 | 7 | 4 | 5 | 554 | - | - | - | - | 1 | - | » All matches |
| WC Qualifiers Play-offs | 3 | 2 | 1 | 2 | 121 | 1 | - | - | - | - | - | » All matches |
| Friendlies | 18 | 15 | 3 | 15 | 1.050 | 1 | - | - | 1 | - | - | » All matches |
| Confederations Cup | 3 | 3 | - | 1 | 261 | - | - | 1 | 1 | - | - | » All matches |
| EURO Qualifiers | 6 | 5 | 1 | 3 | 404 | - | - | - | 3 | - | - | » All matches |
| Total | 48 | 39 | 9 | 32 | 2.989 | 2 | - | 2 | 5 | 1 | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 EURO | 3 | 3 | - | 1 | 226 | - | - | - | - | - | - | » All matches |
| U21 EURO Qualifiers | 3 | 3 | - | 1 | 246 | - | - | - | - | - | - | » All matches |
| Total | 6 | 6 | - | 2 | 472 | - | - | - | - | - | - |